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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 27V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 20 V
- Operating Temperature：-55°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C27-E3-08 is a dual common anode silicon planar Zener diode from the Vishay AZ23 series, housed in a surface-mount SOT-23 package. It provides a nominal Zener voltage of 27 V with a standard tolerance of ±5 %. The device operates at a test current of 2 mA and features a maximum reverse leakage current of 50 nA at 20 V. Electrical characteristics include a dynamic resistance (ZZ) of 80 Ω and a temperature coefficient ranging from 8 to 10 x 10⁻⁴/°C. It supports an operating temperature range from -55 °C to +150 °C and complies with RoHS standards.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Graded Zener voltages according to international E24 standard
- ESD protection capability exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring dual independent references
- Clamping applications for signal lines
- Protection against overvoltage transients in low-power electronics
Procurement Notes
Verify component authenticity by cross-referencing the ordering code AZ23C27-E3-08 with official Vishay documentation. Confirm that the marking code D65 matches the physical device. Ensure compliance with specific environmental requirements such as RoHS directives before finalizing procurement orders.
Selection Notes
Select this component when a dual common anode topology is required within a compact SOT-23 footprint. The ±5 % tolerance suits general-purpose regulation tasks. Verify that the 2 mA test current aligns with the target circuit's biasing constraints and power dissipation limits on the FR-4 board.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of Zener voltages from 2.2 V to 75 V. The 'C' designation indicates the ±5 % voltage tolerance grade, while the '-E3-08' suffix specifies the lead-free, RoHS-compliant version packaged in 3000-unit reels.
Replacement Considerations
AZ23B27-E3-08 (±2% tolerance)
FAQ
What is the marking code for the AZ23C27-E3-08?
The marking code for the AZ23C27-E3-08 is D65.
What is the dynamic resistance of the AZ23C27-E3-08?
The dynamic resistance (ZZ) is specified as a maximum of 80 Ω at a test current of 2 mA.
Does the AZ23C27-E3-08 have AEC-Q101 qualification?
No, the base P/N-E3 variant is commercial grade. AEC-Q101 qualification is available only in the HE3_A variants.
